Services that are using the SAML protocol to connect to the Geant AAI Service should be publishing metadata like the example shown below, in order to comply with the policies and requirements for services.

SP-metadata-example.xml
<?xml version="1.0" encoding="UTF-8"?>
<md:EntityDescriptor
  xmlns:xs="http://www.w3.org/2001/XMLSchema"
  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
  xmlns:ds="http://www.w3.org/2000/09/xmldsig#"
  xmlns:saml="urn:oasis:names:tc:SAML:2.0:assertion"
  xmlns:md="urn:oasis:names:tc:SAML:2.0:metadata"
  xmlns:mdattr="urn:oasis:names:tc:SAML:metadata:attribute"
  xmlns:mdui="urn:oasis:names:tc:SAML:metadata:ui"
  xmlns:remd="http://refeds.org/metadata"
  entityID="https://service.example.org/sp"
>
  <md:Extensions>
    <mdattr:EntityAttributes>
      <saml:Attribute Name="http://macedir.org/entity-category" NameFormat="urn:oasis:names:tc:SAML:2.0:attrname-format:uri">
        <!-- Required for all services -->
        <saml:AttributeValue xsi:type="xs:string">http://refeds.org/category/research-and-scholarship</saml:AttributeValue>

        <!-- Required for production services -->
        <saml:AttributeValue xsi:type="xs:string">http://www.geant.net/uri/dataprotection-code-of-conduct/v1</saml:AttributeValue>
      </saml:Attribute>

      <!-- Required for production services -->
      <saml:Attribute Name="urn:oasis:names:tc:SAML:attribute:assurance-certification" NameFormat="urn:oasis:names:tc:SAML:2.0:attrname-format:uri">
        <saml:AttributeValue xsi:type="xs:string">https://refeds.org/sirtfi</saml:AttributeValue>
      </saml:Attribute>

      <!-- Required; in order to signal the requirement for the release of the subject-id attribute -->
      <saml:Attribute Name="urn:oasis:names:tc:SAML:attribute:subject-id:req" NameFormat="urn:oasis:names:tc:SAML:2.0:attrname-format:uri">
        <saml:AttributeValue>any</saml:AttributeValue>
      </saml:Attribute>
    </mdattr:EntityAttributes>
  </md:Extensions>

  <md:SPSSODescriptor protocolSupportEnumeration="urn:oasis:names:tc:SAML:2.0:protocol" AuthnRequestsSigned="false">
    <md:Extensions>
      <mdui:UIInfo>
        <!-- Required: Change it for your service -->
        <mdui:DisplayName xml:lang="en">Example service</mdui:DisplayName>

        <!-- Required: Change it for your service -->
        <mdui:Description xml:lang="en">Example service used in development and test environments</mdui:Description>

        <!-- Required for Production: Use the Geant privacy notice -->
        <mdui:PrivacyStatementURL xml:lang="en">https://geant.org/privacy-notice/</mdui:PrivacyStatementURL>

        <!-- Required: Change it for your service -->
        <mdui:Logo width="200" height="200">https://service.example.org/sp/logo.png</mdui:Logo>
        <mdui:Logo width="16" height="16">https://service.example.org/sp/logo_small.png</mdui:Logo>

        <!-- Optional: Change it for your service -->
        <mdui:InformationURL xml:lang="en">https://service.example.org</mdui:InformationURL>
      </mdui:UIInfo>
    </md:Extensions>

    <!-- Required: Change it for your service -->
    <md:KeyDescriptor use="signing">
      <ds:KeyInfo>
        <ds:X509Data>
          <ds:X509Certificate>....</ds:X509Certificate>
        </ds:X509Data>
      </ds:KeyInfo>
    </md:KeyDescriptor>

    <!-- Required: Change it for your service -->
    <md:KeyDescriptor use="encryption">
      <ds:KeyInfo>
        <ds:X509Data>
          <ds:X509Certificate>....</ds:X509Certificate>
        </ds:X509Data>
      </ds:KeyInfo>
    </md:KeyDescriptor>

    <!-- Optional: Change it for your service -->
    <md:SingleLogoutService Binding="urn:oasis:names:tc:SAML:2.0:bindings:HTTP-Redirect" Location="https://service.example.org/sp/logout"/>

    <!-- Required -->
    <md:AssertionConsumerService Binding="urn:oasis:names:tc:SAML:2.0:bindings:HTTP-POST" Location="https://service.example.org/sp/acs" index="0"/>

    <md:AttributeConsumingService index="0">
      <!-- Required for all services; change to match the value of the mdui:DisplayName element -->
      <md:ServiceName xml:lang="en">Example service</md:ServiceName>

      <!--
        Below, all the attributes that are needed for the service to be operational are listed.
        If your service needs less attributes, the list must be modified accordingly.
        Check the attributes supported by the AAI service you are connecting.
      -->
      <md:RequestedAttribute Name="urn:oid:1.3.6.1.4.1.25178.4.1.6" FriendlyName="voPersonID" isRequired="true"/>
      <md:RequestedAttribute Name="urn:oid:0.9.2342.19200300.100.1.1" FriendlyName="uid" isRequired="true"/>
      <md:RequestedAttribute Name="urn:oid:2.5.4.42" FriendlyName="givenName" isRequired="true"/>
      <md:RequestedAttribute Name="urn:oid:2.5.4.4" FriendlyName="sn" isRequired="true"/>
      <md:RequestedAttribute Name="urn:oid:2.16.840.1.113730.3.1.241" FriendlyName="displayName" isRequired="true"/>
      <md:RequestedAttribute Name="urn:oid:0.9.2342.19200300.100.1.3" FriendlyName="mail" isRequired="true"/>
      <md:RequestedAttribute Name="urn:oid:1.3.6.1.4.1.25178.4.1.11" FriendlyName="voPersonExternalAffiliation" isRequired="true"/>
      <md:RequestedAttribute Name="urn:oid:1.3.6.1.4.1.5923.1.1.1.7" FriendlyName="eduPersonEntitlement" isRequired="true"/>
    </md:AttributeConsumingService>
  </md:SPSSODescriptor>

  <!-- Required: Keep as is for the Geant Services -->
  <md:Organization>
    <md:OrganizationName xml:lang="en">GEANT</md:OrganizationName>
    <md:OrganizationDisplayName xml:lang="en">GEANT</md:OrganizationDisplayName>
    <md:OrganizationURL xml:lang="en">https://www.geant.org</md:OrganizationURL>
  </md:Organization>

  <!-- Required: Change it for your service -->
  <md:ContactPerson contactType="administrative">
    <md:GivenName>Administrator</md:GivenName>
    <md:EmailAddress>mailto:admin@service.example.org</md:EmailAddress>
  </md:ContactPerson>

  <!-- Required: Change it for your service -->
  <md:ContactPerson contactType="technical">
    <md:GivenName>Technical team</md:GivenName>
    <md:EmailAddress>mailto:tech@service.example.org</md:EmailAddress>
  </md:ContactPerson>

  <!-- Required: Keep as is for the Geant Services -->
  <md:ContactPerson contactType="support">
    <md:GivenName>GEANT Helpdesk</md:GivenName>
    <md:EmailAddress>mailto:help@geant.org</md:EmailAddress>
  </md:ContactPerson>

  <!-- Required: May need to change for your service -->
  <md:ContactPerson contactType="other" remd:contactType="http://refeds.org/metadata/contactType/security">
    <md:GivenName>GEANT Security Team</md:GivenName>
    <md:EmailAddress>mailto:security@geant.org</md:EmailAddress>
  </md:ContactPerson>
</md:EntityDescriptor>